Sandstorm (5)
Desert Sandstorm deals 1 damage to each creature.
Sandstorm deals 1 damage to each attacking creature.
Megamorph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its megamorph cost and put a +1/+1 counter on it.)
, Sacrifice Sandstorm Eidolon: Target creature can't block this turn.
Whenever you cast a multicolored spell, you may return Sandstorm Eidolon from your graveyard to your hand.
Threshold — Swirling Sandstorm deals 5 damage to each creature without flying if seven or more cards are in your graveyard.